Chel, Impassioned Mentor

Hexproof
{3}{g}{g}, {t}: Search your library for Michael the
Showman. Put it onto the battlefield tapped and attacking, then shuffle your library. Bride and
Groom creatures gain flying and indestructible
until the end of your turn.
Mentor (Whenever this creature attacks, put a
+1/+1 counter on target attacking creature
with less power.)